CN218362828U

CN218362828U - Laser welding tool is used in lithium cell production

Info

Publication number: CN218362828U
Application number: CN202222843106.0U
Authority: CN
Inventors: 但德鑫; 陶柱晨
Original assignee: Wuhu Etc Battery Ltd
Current assignee: Wuhu Etc Battery Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-24
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a laser welding tool is used in lithium cell production relates to lithium cell production facility technical field, comprising a base plate, install a plurality of guide bars on the bottom plate, sliding connection has the pressure strip on the guide bar, is equipped with a plurality of welding hole on the pressure strip, and the position sliding connection who is close to welding hole on the pressure strip has a plurality of thimbles, and the thimble upper end is equipped with stopper one, and the bottom side that lies in the pressure strip on the thimble is equipped with stopper two, has cup jointed the spring on the thimble, and the bottom side of stopper one and the upside of pressure strip are connected respectively at the both ends of spring, installs cylinder one on the bottom plate, and the output of cylinder one is connected on the pressure strip. The utility model discloses a cylinder drives the pressure strip and moves down, and thimble butt on the pressure strip compresses tightly the nickel piece on utmost point post on the nickel piece, and thimble upwards slides and extension spring plays the effect of buffering and compressing tightly, and welding route is directly walked according to the figure to continuous laser-beam welding machine, welds utmost point post and nickel piece, avoids the manual pressure strip thimble of buckling of taking.

Description

Laser welding tool is used in lithium cell production

Technical Field

The utility model relates to a lithium cell production facility technical field, concretely relates to laser welding tool is used in lithium cell production.

Background

A lithium battery cell refers to a battery that contains lithium (including metallic lithium, lithium alloys and lithium ions, lithium polymers) in an electrochemical system. Welding is an important manufacturing process from the manufacturing of lithium battery cores to the grouping of batteries PACK. The production process of the application battery PACK formed by additionally arranging a protection circuit, a shell and an output in a lithium battery cell is called PACK. Battery PACK is the important process of realizing that the battery is used in different fields, wherein, this process of square shell lithium cell module laser welding nickel piece is particularly important in PACK, traditional lithium cell laser changes the continuous laser-beam welding machine of planer-type of nickel, the pressfitting of nickel piece needs to compress tightly the operation with the utmost point post of nickel piece and lithium cell electricity core with the telescopic thimble on the pressure strip, laser welding afterwards, but because the pressure strip needs the installation of manually taking, the thimble on the pressure strip very easily collides when taking and warp this moment, cause nickel piece and utmost point post can not compress tightly the laminating completely, thereby influence the welding effect in the laser welding process of follow-up nickel piece and utmost point post. Therefore, a laser welding jig for lithium battery production is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser welding tool is used in lithium cell production to solve the above-mentioned multinomial defect that leads to among the prior art.

The utility model provides a laser welding jig is used in lithium cell production, includes the bottom plate, install a plurality of guide bars on the bottom plate, sliding connection has the pressure strip on the guide bar, be equipped with a plurality of welding hole on the pressure strip, the position sliding connection that is close to welding hole on the pressure strip has a plurality of thimbles, the thimble upper end is equipped with stopper one, the bottom side that lies in the pressure strip on the thimble is equipped with stopper two, the spring has been cup jointed on the thimble, the upside at the bottom side of stopper one and pressure strip is connected respectively at the both ends of spring, install cylinder one on the bottom plate, the output of cylinder one is connected on the pressure strip.

Preferably, install cylinder two on the bottom plate, the output of cylinder two is connected with the mounting panel, be equipped with a plurality of mounting groove on the mounting panel, on the mounting panel sliding connection had the guide bar, and the mounting panel was located the downside of pressure strip.

Preferably, install the butt piece two of butt piece one and symmetry on the bottom plate, the butt has the battery module and carries out spacing operation through butt piece one and butt piece two on the bottom plate, the battery module comprises a plurality of electricity core, the upper end of electricity core is equipped with utmost point post, utmost point post can peg graft in the mounting groove to install the nickel piece on utmost point post through the mounting groove.

Preferably, the first cylinder and the second cylinder are both provided with two cylinders, the first cylinder and the second cylinder are both installed diagonally, and the output end of the first cylinder penetrates through the installation plate and is connected to the bottom side of the compression plate.

Preferably, handles are symmetrically arranged on the bottom plate.

The utility model has the advantages that: the utility model discloses a cylinder drives the pressure strip and moves down, thimble butt on the pressure strip is on the nickel sheet, make the nickel sheet compress tightly on utmost point post, thimble upwards slides and extension spring plays the buffering and the effect that compresses tightly, directly walk the welding route according to the figure through continuous laser-beam welding machine after that, weld the utmost point post and the nickel sheet of battery module, move down through cylinder drive pressure strip and compress tightly the nickel sheet, need not manually to take, avoid operating personnel to cause the thimble to warp because of the manual pressure strip of taking to make nickel sheet and utmost point post can not fully compress tightly the condition emergence of influence welding effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the present invention without installing the pressing plate.

Fig. 3 is a schematic structural view of the present invention without installing the pressing plate and the mounting plate.

Fig. 4 is a schematic structural diagram of the battery module without the pressing plate, the mounting plate and the battery module.

Fig. 5 is a schematic diagram of the mechanism of the pressing plate of the present invention.

Fig. 6 is a schematic structural view of the mounting plate of the present invention.

Fig. 7 is an enlarged structural diagram of a in fig. 5.

Wherein: 1-a bottom plate; 2-a guide rod; 3, pressing a plate; 4-welding holes; 5-a thimble; 6, a first limiting block; 7-a second limiting block; 8-a spring; 9-a first air cylinder; 10-cylinder II; 11-a mounting plate; 12-mounting grooves; 13-a first abutting block; 14-a second abutment block; 15-a battery module; 16-electric core; 17-pole; 18-nickel flakes; 19-a handle.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1 to 7, a laser welding jig for lithium battery production, including bottom plate 1, install a plurality of guide bars 2 on the bottom plate 1, sliding connection has pressure strip 3 on guide bar 2, be equipped with a plurality of welding hole 4 on the pressure strip 3, the position sliding connection that is close to welding hole 4 on the pressure strip 3 has a plurality of thimbles 5, 5 upper ends of thimbles are equipped with stopper one 6, the bottom side that lies in pressure strip 3 on thimbles 5 is equipped with stopper two 7, spring 8 has been cup jointed on thimbles 5, the bottom side at stopper one 6 and the upside of pressure strip 3 are connected respectively at the both ends of spring 8, install cylinder one 9 on bottom plate 1, the output of cylinder one 9 is connected on pressure strip 3.

In this embodiment, install two 10 cylinders on the bottom plate 1, the output of two 10 cylinders is connected with mounting panel 11, be equipped with a plurality of mounting groove 12 on the mounting panel 11, on 11 sliding connection of mounting panel had the guide bar 2, and mounting panel 11 was located the downside of pressure strip 3.

In this embodiment, install butt piece two 14 of butt piece 13 and symmetry on the bottom plate 1, the butt has battery module 15 and carries out spacing operation through butt piece one 13 and butt piece two 14 on the bottom plate 1, battery module 15 comprises a plurality of electric core 16, electric core 16's upper end is equipped with utmost point post 17, utmost point post 17 can peg graft in mounting groove 12 to install nickel piece 18 on utmost point post 17 through mounting groove 12. The battery module 15 is inserted into the groove and abutted against the first abutting block 13 and the second abutting block 14, the lower bottom side of the mounting plate 11 is abutted against the upper end of the battery module 15, the pole 17 on the battery cell 16 is inserted into the mounting groove 12, the nickel sheet 18 is placed in the mounting groove 12, the nickel sheet 18 is abutted against the upper end of the pole 17, and the battery cell 16 is sequentially arranged and wound by an adhesive tape to form the battery module 15.

In this embodiment, there are two cylinders 9 and two cylinders 10, and the cylinders 9 and two cylinders 10 are installed diagonally, and the output end of the cylinder 9 penetrates through the installation plate 11 and is connected to the bottom side of the pressing plate 3. The diagonal installation of the first cylinder 9 and the second cylinder 10 can be matched with the guide rod 2 to ensure that the pressing plate 3 and the mounting plate 11 move up and down smoothly.

In this embodiment, a handle 19 is symmetrically mounted on the bottom plate 1. The handle 19 can move the whole device, so that the jig can be conveniently replaced.

The utility model discloses a theory of operation does: this device places battery module 15 on bottom plate 1 through manual, and manually push battery module 15 in the recess that butt piece one 13 and butt piece two 14 constitute, start cylinder two 10 and make installation version 11 move down through guide bar 2 after that, the downside butt of mounting panel 11 is in the upper end of battery module 15, and utmost point post 17 pegs graft in mounting groove 12, after that, manually place nickel piece 18 on pole piece 17 from the upper end of mounting groove 12, start cylinder one 9 and move down pressure strip 3 through guide bar 2 afterwards, thimble 5 butt is on nickel piece 18, and thimble 5 upwards slides extension spring 8 in the in-process that pressure strip 3 pushed down, stopper 7 butt is spacing and fully compress tightly nickel piece 18 in the bottom side of pressure strip 3 to thimble 5, the welding route is directly walked according to the figure in succession afterwards, and carry out laser welding operation through welding hole 4 with utmost point post 17 and nickel piece 18 on the electric core 16, once reverse start cylinder one 9 and cylinder two 10 to reset after the welding is accomplished, pressure strip 3 and mounting panel 11, battery module 15 takes out welding cycle afterwards.

The utility model discloses a cylinder 9 drives pressure strip 3 and moves down, 5 butts of thimble on the pressure strip 3 are on nickel piece 18, make nickel piece 18 compress tightly on utmost point post 17, thimble 5 upwards slides and extension spring 8 plays the effect of buffering and compressing tightly, directly walk the welding route through continuous laser-beam welding machine according to the figure after that, weld battery module 15's utmost point post and nickel piece 18, avoid operating personnel to lead to the fact thimble 5 to warp because of the manual pressure strip 3 of taking to make nickel piece 18 and utmost point post 17 can not fully compress tightly the condition emergence that influences the welding effect.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes within the scope of the invention or within the scope equivalent to the invention are all embraced by the invention.

Claims

1. The utility model provides a laser welding tool is used in lithium cell production which characterized in that: including bottom plate (1), install a plurality of guide bar (2) on bottom plate (1), sliding connection has pressure strip (3) on guide bar (2), be equipped with a plurality of welding hole (4) on pressure strip (3), the position sliding connection that is close to welding hole (4) on pressure strip (3) has a plurality of thimbles (5), thimble (5) upper end is equipped with stopper one (6), the bottom side that lies in pressure strip (3) on thimble (5) is equipped with stopper two (7), spring (8) have been cup jointed on thimble (5), the upside at the bottom side of stopper one (6) and pressure strip (3) is connected respectively at the both ends of spring (8), install cylinder one (9) on bottom plate (1), the output of cylinder one (9) is connected on pressure strip (3).

2. The laser welding jig for producing the lithium battery as claimed in claim 1, wherein: install cylinder two (10) on bottom plate (1), the output of cylinder two (10) is connected with mounting panel (11), be equipped with a plurality of mounting groove (12) on mounting panel (11), mounting panel (11) sliding connection has on guide bar (2), and mounting panel (11) are located the downside of pressure strip (3).

3. The laser welding jig for lithium battery production of claim 2, characterized in that: install butt piece two (14) of butt piece (13) and symmetry on bottom plate (1), the butt has battery module (15) and carries out spacing operation through butt piece one (13) and butt piece two (14) on bottom plate (1), battery module (15) comprise a plurality of electric core (16), the upper end of electric core (16) is equipped with utmost point post (17), utmost point post (17) can peg graft in mounting groove (12) to install nickel piece (18) on utmost point post (17) through mounting groove (12).

4. The laser welding jig for lithium battery production of claim 2, characterized in that: the first air cylinder (9) and the second air cylinder (10) are both provided with two air cylinders, the first air cylinder (9) and the second air cylinder (10) are both installed diagonally, and the output end of the first air cylinder (9) penetrates through the installation plate (11) and is connected to the bottom side of the pressing plate (3).

5. The laser welding jig for lithium battery production of claim 1, characterized in that: handles (19) are symmetrically arranged on the bottom plate (1).